def fun01(items):
    for i in items:
        items[i] *= 2
    return items
l1 = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
l2 = fun01(l1)
print(l2)

l3 = list(map(lambda num:num * 2,l1))
print(l3)